Individuation Process
Described by Jung, refers to an autonomous development of individual psyche leading to a more complex and complete ego-identity.

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AlchemyAs Jung himself stated, alchemical woks and symbolism are
the historical proof of his individuation process

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SynchronicityCoined by Jung, this concept refers to the acausal coincidence of psychic and material events.

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I ChingThe ancient Chinese divinatory book has been used by Jung
both as a divinatory means and a illustration of his archetypes and synchronicity theories.

Dream Interpretation

A great deal of inspiration brought Jung in regard to the dream interpretation method. First of all, he applied the compensation concept and the prospective approach to the theory of dreams.

Concerning the interpretation technique, Jung added more features such as the

amplification method
consisting in finding additional material to the dream associations drawn from mythology, folklore, religion and so forth. This way he enlarged
the genuine content of the dream to include more images and symbols that further help us understand its meaning. Learn more about his method here.

Best resources for the study of the Jung' theories and practice:

The Tavistock Lectures provide very useful material on Jung's techniques and lots of examples on dream interpretation. You may order it from Amazon.com: